Convertible platform truck



FIG. 1 is a perspective view showing an embodiment of our new design for a convertible platform truck;

FIG. 2 is a left side view showing our new design shown in FIG. 1;

FIG. 3 is a right side view showing our new design shown in FIG. 1;

FIG. 4 is a front view showing our new design shown in FIG. 1;

FIG. 5 is a back view showing our new design shown in FIG. 1;

FIG. 6 is a top view showing our new design shown in FIG. 1;

FIG. 7 is a bottom view showing our new design shown in FIG. 1;

FIG. 8 is a perspective view showing the embodiment of our new design for a convertible platform truck of FIG. 1 in an unfolded position;

FIG. 9 is a right side view showing our new design shown in FIG. 8;

FIG. 10 is a left side view showing our new design shown in FIG. 8;

FIG. 11 is a front view showing our new design shown in FIG. 8;

FIG. 12 is a back view showing our new design shown in FIG. 8;

FIG. 13 is a top view showing our new design shown in FIG. 8; and,

FIG. 14 is a bottom view showing our new design shown in FIG. 8.

The portions shown in broken lines are not part of the claimed design but show the environment in which the design is associated. 

I claim the ornamental design for a convertible platform truck, as shown and described. 